The Follwing packages are installed on my AIX 6.1 box gcc-4.7.2-1 gcc-c++-4.7.2-1 gcc-cpp-4.7.2-1 gcc-gfortran-4.7.2-1 libgcc-4.7.2-1 libgomp-4.7.2-1 libstdc++-4.7.2-1 libstdc++-devel-4.7.2-1 gmp-5.0.5-1 libmpc-1.0.1-2 libmpc-devel-1.0.1-2 libmpcdec-1.2.6-1 libmpcdec-devel-1.2.6-1 mpfr-3.0.1-1 info-4.13-3 gettext-0.17-7 mpfr-devel-3.0.1-1 zlib-1.2.5-4 libmpc-1.0.1-2 libmpc-devel-1.0.1-2 libmpcdec-devel-1.2.6-1 libmpcdec-1.2.6-1 gdbm-1.10-1 db-4.4.20-2 libgcrypt-devel-1.4.6-2 diffutils-2.8.1-1 bison-devel-2.7-1 binutils-2.14-3 coreutils-5.2.1-2 flex-2.5.35-1 gcc-gfortran-4.7.2-1 libffi-3.0.11-2 libffi-devel-3.0.11-2 autoconf-2.68-1 automake-1.11.1-1 bzip2-1.0.6-2 libgpg-error-1.10-2 libtool-1.5.8-2 bison-2.7-1 I used follwing command to confiure the apache: ./configure CC="gcc -maix64" CFLAGS="-maix64" CXX="gcc -maix64" CPPFLAGS="- maix64" NM="nm -X64" AR="ar -X64" LDFLAGS="-L/usr/ccs/bin/ld" -- prefix=/usr/local/share/bld/apache2 --enable-ssl=shared --with- ssl=/usr/local/share/bld/ssl --enable-deflate=shared --with- z=/usr/local/share/bld/zlib --enable-mods-shared=all --with-expat=builtin -- with-pcre=/usr/local/share/bld/pcre --with-included-apr --enable-v4-mapped But I am getting multiple "failed program was" like errors as following--> --------------- configure:5818: gcc -E -maix64 -U__STR__ -D_THREAD_SAFE conftest.c conftest.c:9:28: fatal error: ac_nonexistent.h: No such file or directory compilation terminated. configure:5818: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" --------------- configure:5996: gcc -c -maix64 -pthread -maix64 -U__STR__ -D_THREAD_SAFE conftest.c >&5 conftest.c:59:29: error: expected ';', ',' or ')' before 'text' conftest.c: In function 'main': conftest.c:113:18: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'newvar' conftest.c:113:18: error: 'newvar' undeclared (first use in this function) conftest.c:113:18: note: each undeclared identifier is reported only once for each function it appears in conftest.c:123:3: error: 'for' loop initial declarations are only allowed in C99 mode conftest.c:123:3: note: use option -std=c99 or -std=gnu99 to compile your code configure:5996: $? = 1 configure: failed program was: | /* confdefs.h */ ---------------- configure:6906: gcc -std=gnu99 -c -maix64 -pthread -maix64 -U__STR__ - D_THREAD_SAFE conftest.c >&5 conftest.c:52:26: fatal error: minix/config.h: No such file or directory compilation terminated. configure:6906: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx